<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
       div{
           width: 200px;
           height: 150px;
           background-color: green;
       }
    </style>
</head>
<body>
    <div>111</div>
    <div>
        <h2>aaa</h2>
    </div>
    
    <p>
        <div>aaabbb</div>
    </p>
</body>
</html>